[one-users] Problem with shared_lvm driver

Ruben S. Montero rsmontero at opennebula.org
Thu Apr 11 07:34:04 PDT 2013

Hi Alan,

LVM driver has improved a lot since 3.4, I'd suggest to upgrade to 3.8
or even plan to move to 4.0 beta if you are not in production. Next
week we are rolling out an RC....



On Tue, Apr 9, 2013 at 6:59 PM, Alan Jur?i? <Alan.Jurcic at carnet.hr> wrote:
> Citiram Carlos Martín Sánchez <cmartin at opennebula.org>:
>> Hi,
>> When the VM is running, onevm delete and onevm cancel perform the same
>> driver operations, but with cancel OpenNebula waits for the VMM driver
>> success before deleting the disks.
>> onevm delete is more like a last resort to remove the VM from OpenNebula
>> in
>> case of error. The VM is removed immediately and OpenNebula tries to clean
>> up, but the right way to destroy a VM is onevm cancel.
>> In 4.0 we have synchronized the onevm delete driver operations, but the VM
>> is still removed immediately and if the cleanup fails it is not checked.
> Thanks, that pretty much solves my problem.
> I'm having one other issue with shared_lvm driver though. When trying to add
> new image to shared_lvm datastore (source is raw image) it seems that
> datastore/shared_lvm/stat script is not working properly. I had to call
> fs_du function in cp scirpt to get size calculated for lvcreate. The problem
> is that 0M size is still written to database and I have to fix it manually
> to get things working (saveas for example).
> Not sure if this is OpenNebula 3.4 issue or driver problem. Any help
> regarding this would be much appreciated.
> Regards,
> Alan
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Ruben S. Montero, PhD
Project co-Lead and Chief Architect
OpenNebula - The Open Source Solution for Data Center Virtualization
www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula

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